Table of Contents
Why is the microwave not coming on?
Power may not be getting to the appliance. Check to see that it’s plugged in, then check your electrical panel box to see if to see if a circuit breaker switch has flipped or if a fuse has blown. The microwave door may not be completely shut, or the door switch may not be working correctly.
How do I reset the power on my microwave?
It’s very simple to do. Just unplug the microwave, wait a few minutes, and plug it back in. In almost all models, this will reset the internal defaults, which should restore the proper function. In many cases, a hard reset also works to clear error codes on your microwave.
Will microwave work if fuse is blown?
In the most common scenario, your microwave will start up and run with no issue. This verifies that nothing that takes just 120 volts like your door switches and electronic control is causing the issue. WARNING: Do not attempt unless you have training in appliance repair.
Can unplugging a microwave reset it?
Sometimes, all that’s required to make a troublesome microwave behave better is a “hard reset”. It’s very simple to do. Just unplug the microwave, wait a few minutes, and plug it back in. In almost all models, this will reset the internal defaults, which should restore the proper function.
How much does fuse cost?
Most fuses only cost $10 to $20, but you’ll have to pay additional labor fees to have your fuse replaced by a professional.
How can I tell if a fuse is blown?
Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.
Is it expensive to fix a blown fuse?
Most fuses only cost $10 to $20, but you’ll have to pay additional labor fees to have your fuse replaced by a professional. Depending on the shop you go to, labor can cost between $65 and $100 per hour, so call ahead to get a repair estimate.
What happens when a microwave fuse fails?
When the fuse fails, power is interrupted to the controls of the microwave and it will become nonfunctional. The ceramic fuse is located inside of the cabinet near the entry point of the power cord. Remember to unplug the cord before attempting any repairs. You can check the fuse for continuity with a multi-meter.
What to do if your microwave is not turning on?
1 Door Switch. There are many reasons your microwave won’t turn on, one of which might be a faulty door switch. 2 Ceramic Fuse. If your microwave won’t start and the display is blank and unresponsive, the issue may be with the ceramic fuse. 3 Thermal Fuse or Cut Out. 4 Door Latch Assembly. 5 More Repair Parts.
How to test a microwave thermal fuse with a multimeter?
How to test a microwave thermal fuse with a multimeter: 1 Disconnect your appliance from the power source before attempting this inspection. 2 Locate and remove the thermal fuse. 3 With the fuse removed from the appliance, set your multimeter to the Rx1 setting, and touch the probes to the terminals to test for continuity.
What causes a microwave to lose power when plugged in?
This part protects other microwave components from power fluctuations, and causes a complete loss of power when it fails, meaning your microwave won’t work. If you are aware of the cause of the fuse failure, such as opening or closing the microwave door, you can also test the door switch to see if that is working.